{{ if or (gt .WordCount 400 )}}
<details class="p1 xl-ml10 xl-b-l-dotted border-l b-dark" open>
  <summary class="text-center list-none decoration-none text-gray">目录</summary>
  {{/* 当字数超过 400 开启目录 */}}
  {{.TableOfContents}}
</details>
{{ end }}
